Brushing – scrubbing – and general cleaning – Implements – Mason's trowel or float
Patent
1996-09-11
1998-08-11
Chin, Randall
Brushing, scrubbing, and general cleaning
Implements
Mason's trowel or float
76119, B05C 1710
Patent
active
057910090
ABSTRACT:
A trowel and related method of manufacture in which residual stresses are intentionally imposed upon the bottom working surface and/or the top mounting surface of a trowel blade. Stresses can be imposed, for example, by glass bead peening, shot peening, rolling, and/or brushing the metal trowel blade. Stresses are built up to a working stess level that remains substantially constant with further use of the trowel against abrasive, spreadable surfaces. Imposed stresses on the top and bottom surfaces can also be used to vary the resulting curvature of the blade.
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McComber Larry J.
Murders Jack D.
Chin Randall
Marshalltown Trowel Company
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